Power excavating machine and method of actuating the same



June 23, 1925;. 1,542,974 v A. C. VICARY POWER EXCAVATING MACHINE AND METHOD OF ACTUATING THE SAME F iled Feb. 23, 1923 2 Sheets-Sheet 1 Jane 23, 1925. 1,542,974

A. C. VICARY POWER EXCAVATING MACHINE AND METHOD OF ACTUATING THE SAME 4 Filed Feb. 23, 1923 2 SheetsShae'c 2 M 0. z/ I ,7). efi/ Patented cie 23, 1925.

n n W l is le 8 ARTHUR O. VICAIRIY, 01* ERIE, PENNSYLVANIA, ASSIGNOR, BY DXREC'I ANT ASfiIGNMENTS, T0 ERIE STEJZKM SHOVEL CDEPANY, OF BREE, PENNSYLVdHK 1.

CGBPORATIQN (3F PENNSYLVENIA.

POWER EXCAVATING MhCHINE AND METHGD OF ACTUAEING THE SABER.

Application fllerlFebz-usryfifi, 1823. Serial No. 620,727.

To all whom it may concern:

Be it known that l, ARTHUR C. VICARY, a citizen of the United States, residing at Erie, in-the county of Erie and iitate of Pennsylvania, have invented new and useful Improvements in, Power Excavating Machines and Methods of Actuuting the Same, oil which the following is a specification. v

Steam shovels and cranes as heretofore made have been usually driven by steain enines although such apparatus has been driven electrically and by means of explosive engines. Such upparet-uses are very ofiten used in cities and in other locations where the smoke and other inconveniences incident to the steam engine make it very undesirable but owing to its greater flexibility of power particularly on certain parts of theepparatus it has been used to a very much greater extent even in such locations than any other type of apparatus. Neither the electric nor the explosive engine mechines when acting directly on all parts of the machine are Well suited for the purpose because of lack of flexibility or acceleration. This is particularly true of the turning and crowding engines on steam shovels which are subjected to very severe strains and if capacity is to be gained must be subed to very rapid action and must be ct to 9. very nice control so that the tor may adjust these parts both as to the material which is being moved and as to '1 the Wagon or other receptacle to which the materiel carried. I

.l have succeeded in forming a method and an apparatus in'which the good features oi the diilerent kinds oi power are successfully utilized without the attending disadvantages. In the preferred form of apparatus and as shown I utilize an explosive engine which drives the hoisting drum and supplies the traction effort of the machine. This is clutch controlled. This power satisfies the requirements as to the hoisting apparatus-with reasonable eilicicncy and Without great inconvenience. 1 preferably utilize this some internal comlmstion engine to operate a con pressoi. by means of which the air is compressezl and forms the driving medium for the crowding engine and turning engine so that these engines are fluid actuated and hevs thc flexibility and cepuci'ty ease of control desirable for these functions.

With this engine which is operated continuously a comparatively small compressor will supply the all for the intermittent.

in the usual manner. A revolving platform.

i is pivoted at on the turn tziblefi. A boom 8 extends from the revolving platform in the usual manner and a dipper stick 9 is mounted on the boom and cerries a dipper 10. The dipper stick has a rock 11 which meshes with e gear 12. The gear 12 is lined on a shaft 13. A gear 14 is fixed on the shaft 13 and a gear 15 mounted on the engine shaft 16 meshes with the gear 14. The engine shaft 16 forms a pert. of the crowding engine 17 mounted on the boom 8, this crowding engine being of ordinary construction as used in some power shovels.

A hoisting line 18 extends from a. drum 18 on the platform over sheaves 19 through the sheaves 20 on the dipper and operates in the usual manner. A turning gear '22 is mounted on the frzune and a pinion operates in this gear. The pinion is curried by a shaft 24. A gear is mounted on the shaft 24.- snd meshes with a gear 26. The

The traction driving ineclmuisin of the shovel is of ordinary construction having u beveled gear 31 mounted on the axle 'llhe'hevcled gear Slmcsheswith a. gear 'lf'he gear 32 mounted on a shuit 33. A geurfil is also mounted on the shaft 33 and meshes with e. beveled The beveled gear 35 is mounted on a shaft 36 extending upwardly through the axis the platform I A gear 37ismi5untedon the upper end of the shaft 36 and meshes with a beveled gear 38. The beveled gear38-iscarried by a shaft mounted in bearings 38 and a gear 38 is fixed on the sanie shaft meshing with a gear- 1 39, The gear 39 is niountedon a drum shaft 40. A gear 41 is also mounted on the drum shaft and meshes with a pinion 42; The

pinion-42 is-inount-ed 'on a shaft 43 and is driven from. a belt pulley- A- belt 45 extends from the pulley H to va drive pulley 46 on the engine :shaftof the explosive en-" ine 47. This 'exlosive en ine is of the v e ordinary stationary high duty explosive type controlled by anyzsuitable governor as 46;

A com )ressor 4:? has a drive pulley 4-8 mounted on an. engine shaft 49 and this isdriven by a belt 49 running from the drive pulley 49 on the "eafplosive eng ne shaft.

The compressor has the 'compressorcyl-im ders 5O having the dlscharge pipe 51 from the high pressurecylinder leading to the receiver 5'22.

the receiver and a branch pipe 5a extends fromthe supply pipe to the turn ng'eng ue 30. A branch pipe 55 extends from the pipe 53 to the crowding engine 17,

" the lever 63 with a lever (55, the lever be-p ling the hoisting drum. I v

nected by a link-67 with one arm 68 'ot' a bell 'crank'lever, the opposite arm of the "A crowding engine control. lever '56 is mounted on, a shaft-57. A: lever 58 1s also fixed on'this shaft and a link 59 connects; .tlie lever 58 uith a valve control lever 60.-

The valve control lever controlling the Valve of the crowding engine .17 in the usual man-..

ner. -A turning enginecoutrol lever 61 is 'mount'cd on a shaft 62." A lever 63 is also mounted on this shaft. IA link G-l connects ing the control.levc1" for the valve of the turning engine and operating that valve in the usual manner of engines of this type.

A control lever 66 is provided for hand- "Ilns lever is conlever 69 being connected to a movable element T0 of a clutch 71, thefclutch being adapted to lock the shaft 43 with .the-pulley to connect and release the shaft with the drive 111116 44. v i

A clutcln'Z-Z is provided 'on' the shaft by means of which the gearing 39'may be connected, or disconnected from the hoisting shat-t :LtO so as to drive the traction gearing.

With this construct-ionlit will be seen. a

power-apparatus free from" smoke or objectionable features so far: as its use is c.on--

corned isprovided and one frec'ffrom the inconvenienceof operating with 'steani'in isolated-localities is'also obviated 1n 'Wllltfll the flexibility of a fluid-actuatedengine is fully utilized and a power elementprovided 7 suitable for the hoisting engine and traction engine. 1 The niteri'nittent action of the turning and crowding engines requiring-a large expenditure of power momentarily with great acceleration is provided for in through A supply pipe 53 extends from aortas-7a I paratively smaii power unit.

W's-use the term finid pressure actuated engine asdesignating one inwhich the'pressure fluid is created-externally of the-engine itself and inlwhich this fluid is introduced:

into the engine under pressure andactnates the engine through-the expansion of said driven rotative hoisting mechanism compris fing a non-fluid pressureactuated motor, and

an indirectly driven turning mechanism comprising a compressor and a fluid pres sure. actuated rotatively acting turning engin'e receiving ts fluid from the compressor.

- I 2 In a power excavating machine, the

combination of a rotating platform; a. fluid. pressure actuated turning engine for the platform; a hoist; anon-fluid pressure actuated motor actuating the hoist; and a compressor actuated by the non-fluid actuated motor; compressing the fluid for the turning engine Z 8.111 a power excavating mach1ne,l the combination of a rotating platform,-a direct driven rotative hoisting mechanism comprising an internal combustion engine, and an indirectly driven turning mechanism comprising a compressor and a fluid pressure actuated rotatively l acting turning engine receiving its fluid from the compressor.-

h In a'power excavating machine, the combination of a rotating platform, a direct driven rotative hoisting, mechanism comprising an internal combustion engine and a clutch control for the hoist, and an'indirectly driven turning mechanism comprising a compressor and a fluid pressure actuated rotatively acting turning engine receiving its fluid from the compressor.

5. In a power excavating' machine, the combination of a rotating platform; a fluid pressure. actuated turning engine for the platform; 'a. .hoist; an internal 'combustion' engine actuating the hoist and a compressor actuated by the nternal combustion engine compressing the thud for the turning 'engine.

6. In a power shovel, the combination of Y a dipper, a dipper stick, a direct driven ro- *tative hoisting mechanism comprising a nonfluid pressure actuatedmotor, and a crowd ing mechanism comprising a compressor and "a .fiuid pressure actuated crowding engine receiving its fluid from the compressor.

' 7. In a power shovel, the combination of smears a dipper; a dipper stick; a fluid pressure actuated crowding engine actuating the dipper stick; a' hoist; anon-fluid pressure actuated motor, actuating the hoist; and a compressor actuated by the motor compressing the actuating fluid for the crowding engine. i

8. In a power shovel, the combination of a dipper; a dipper stick; a'fluid pressure actuated crowding engine actuating the dipper stick; a hoist; and internal combustion engine actuating the hoist; and a compressor actuated by the internal combustion engine compressing the fluid for the crowding engine.

- 9. In a power shovel, the combination of a dipper; a dipper stick; -a-fluid pressure actuated crowding engine actuating the dipper stick; a hoist; an internal combustion engine. actuating the hoist; a compressor actuated by the internal combustion engine compressingithe fluid for the crowding engins and a clutch control for the hoist.

10. In awpower shovel, the combination of a dipper; a dipper stick; a fluid pressure actuated crowding engine actuating the dipper stick; a turning platform on which t e dipper stick is mounted; a fluid actuated turning engine turning t e platform; a hoist; a non-fluid pressure actuated motor actuating the hoist; and a compressor actuated by the motor compressing fluid for the crowding and turning engines.

11. In a power shovel, the combination of a dipper; a dipper stick; a fluid pressurev actuated crowding engine actuating the dipper stick; a turning platform on which the dipper stick is mounted; a fluid pressure actuated turning engine turning the platform; a hoist; an internal combustion engine actuating the hoist; and a compressor actuated by the internal combustion engine and compressing fluid for the crowding and turning engines.

12. In a power shovel, the combination of a dipper; a dipper stick;a fluid pressure actuated crowdlng engine actuating the dipper stick; a turning platform on which the dipper stick is mounted; a fluid pressure actuated turning engine turning the platform; a hoist; an internal combustion engine actuating the hoist; a compressor actuated by the internal combustion engine and compressing fluid for the crowding and turning engines; and a clutch control for the hoist.

13. In a power excavating machine, th combination ofa rotative platform; a fluid pressure actuated turning engine for the platform; a hoist; a non-fluid pressure actuated motor actuating the hoist; a traction gearing for the machine; and a connection between the non-fluid actuated motor and the traction gearing.

14:. In a power excavating machine, the

supplied from the gearing for the machine; a connection be-- twErTnltQe nonfluid actuated motor and the tractiongearing; and a compressor driven by the motorjeompressing actuating fluid for the turning enginefi 15. In a power slfovel, the combination of a dipper; a dipper stick; a fluid pressure actuated crowding engine for the dipper stick; a hoist; a non-fluid actuated motor actuating the hoist; a traction gearing driven from the motor; and a compressor driven by the motor and supplying actuating fluid for the crowding engine.

16. The method of actuating power excavating machines which consists in delivering power from a power source, utilizing the power from the source for directly actuating a hoist, and utilizing the power from the source indirectly through a fluid. pressure actuated motor having its actuating fluid supplied from the power derived from the source to give turning movement to the machine.

17. The method of actuating power exca rating machines which consists in deliver- 'ing power from a power source, utilizing the power from the source for directly actuating a hoist, and utilizing the power from the source indirectly through a fluid pressureactuated motor having its actuating 'fiuid ower derived from the source to give crow ing movement to a digging implement actuated by the hoist.

18. The method of actuating power excavating machines which consists in delivering power from a power source, utilizing the power from the source for directly actuating a hoist, and utilizing the power from the source indirectly through fluid pressure actuated motors having their actuating fluid supplied from the power derived from the source to give crowding movement to an im plement actuated by the hoist and turning movement to the machine.

give turning movement to the merating 'miichines which consists in generating the power therefor by a continuously operating explosive engine. utilizing the power from the engine for directly actuating the hoist and utilizing the power from the engine indirectlythrough s fluid pressure actuits ated motor having plied from power. give crowding;movement to a (iiggin implement actuated by the'lioistf v 21. 'The metiuui of actuating" o-werenactuating fluid sup-- ca'rating machines which consist-s in generating'the power theret'or by a continuously operating explosive engine, utilizing the instrumentaiities operating mary vmotor ging instrument: a secondary motor operatand energy storing plurality talities; and i an. cnergz means actuated power from the engine. for directly" actuating thehoist and utilizing the 'Joner from the engine indirectly through thud press'nre actuated motors having their actuating fluid-supplied from power derived from the engine .to anm'ipiement' actuated by the hoist and turning morementto themachme.

. ondary motor.

24; In a ,power excavating machine, the combination of a digging: implement; a prioperating directly on said diging on said implement;

by the primary motor and delivering-energy to the secondary motor;

25. In a power excavating machine, the

combination ot a digging implement; a prr Intiry motor acting directly on the impie ment; 3 fluid prefsrire actuated secondary motor acting on pressorlcoinpressing fiuidfor actuating the secomla'ry motor d motor.

i i'ng device;

plying energy QS In a power excavating machine, the combination of -v a digging implement; a hoistingdevice for theimplement; a pri marymotor operating directly-on the hoist the implement: and energy storing means supplied from the primary motor and supto the" secondary motor.

27. int nmchi'ne, the nomination of a piu'raiity of instrumentalities having inter- .mittent' and successive operation; an interengme acting as a primary directly on one oi sardina. secondary motor 1753917? nal combustion. n'iotor operat strumentalities inn-on the second of said instrumentaiities;

and an energy storing means snppiied from derived from the engine to .instruments-litres operating mary" motor operating a secondary motorand supply the implement; and a eomiven by the primarying the a secondary motor acting on,

.cavating machine having a nominee the primary motor and supplying energy to the secondary motor.

28. In a'maehii'ie, the eomi'iination of two intermittentiy and successively; an internal combustion engine acting as a primary motor directly actuating one of saidinstrumentalities a fluid actuated secondary moto r actuating.

pressor driven by the primary -motor and compressing fluid for actuating the secondary motor. v I v 29. In a power excavating machine, the combination of a digging implement; an. internal con'ihustion engine acting as a pridirectly on said ging implement: a secondary motor operat 'ing on said implement; and. energy storing means actuated by the' prunarywmotor and."

delivering energy .to the secondary motor.

60.. in a 'power excavating machine, the combination of a digging implement; m

i v LilQ. 1 other of said mstrumentahties; a nda com in i .t'erhai combustion engine acting as .11 primary motor operating directiy on the implementya fluid pressure actuatedsecondary motor acting on the implement; and. a compressor compressing fluid for actuating the secondary motor motor. I i 31. The method of ectuating"power excavating machines which consistsin giving a power impulse to a digging implement of said'mnchine directly from a-primary motor storing energy from the primary motor, and delivering the energy so stored to'tne digging implementthrough motor. I

a secondary 32. The method of operating a power ezv (fainting mnchinc having mentality which consists in directly deiivering energy to the instrumentalty internal combustion motor, stori'stig from the n'iotor and 'deiiyerii'igr the energy energy so stored to a secondary motor operating on the digging: instrumentt iity. 33. The method of operating a power carat-mg machineiuwing a diggin mentality Whiclreonsistsin directly delivering energy to' the in'strumentslity from a primary motor, compressing fluid by energy from the primary motor -and operatinstrumentality pressure actuatedmotor from the res'sed. i

, 34, The method of actuating a fluid cormpovrer ex mentality which consists power directly to the 'instrumentaiity "from an internai combustion engine, compressing fluid by energy from the engine and. operating the instrnmentalityhy a timid actuated motor actuated-by the fluid compressed.

in testimony whereof I have hereunto-set my hand,

' ARTE UR i1 ViGAit-If.

through a titid digging; instrus from an q instrudigging inst ru 111' delivering 

